org.argeo.cms/src/org/argeo/cms/auth/AnonymousLoginModule.java

   1 package org.argeo.cms.auth;
   2
   3 import java.util.Locale;
   4 import java.util.Map;
   5
   6 import javax.security.auth.Subject;
   7 import javax.security.auth.callback.CallbackHandler;
   8 import javax.security.auth.login.LoginException;
   9 import javax.security.auth.spi.LoginModule;
  10
  11 import org.apache.commons.logging.Log;
  12 import org.apache.commons.logging.LogFactory;
  13 import org.osgi.framework.BundleContext;
  14 import org.osgi.framework.FrameworkUtil;
  15 import org.osgi.service.useradmin.Authorization;
  16 import org.osgi.service.useradmin.UserAdmin;
  17
  18 /** Anonymous CMS user */
  19 public class AnonymousLoginModule implements LoginModule {
  20         private final static Log log = LogFactory.getLog(AnonymousLoginModule.class);
  21
  22         private Subject subject;
  23         private Map<String, Object> sharedState = null;
  24
  25         // private state
  26         private BundleContext bc;
  27
  28         @SuppressWarnings("unchecked")
  29         @Override
  30         public void initialize(Subject subject, CallbackHandler callbackHandler, Map<String, ?> sharedState,
  31                         Map<String, ?> options) {
  32                 this.subject = subject;
  33                 this.sharedState = (Map<String, Object>) sharedState;
  34                 try {
  35                         bc = FrameworkUtil.getBundle(AnonymousLoginModule.class).getBundleContext();
  36                         assert bc != null;
  37                 } catch (Exception e) {
  38                         throw new IllegalStateException("Cannot initialize login module", e);
  39                 }
  40         }
  41
  42         @Override
  43         public boolean login() throws LoginException {
  44                 return true;
  45         }
  46
  47         @Override
  48         public boolean commit() throws LoginException {
  49                 UserAdmin userAdmin = bc.getService(bc.getServiceReference(UserAdmin.class));
  50                 Authorization authorization = userAdmin.getAuthorization(null);
  51                 HttpRequest request = (HttpRequest) sharedState.get(CmsAuthUtils.SHARED_STATE_HTTP_REQUEST);
  52                 Locale locale = Locale.getDefault();
  53                 if (request != null)
  54                         locale = request.getLocale();
  55                 CmsAuthUtils.addAuthorization(subject, authorization);
  56                 CmsAuthUtils.registerSessionAuthorization(request, subject, authorization, locale);
  57                 if (log.isTraceEnabled())
  58                         log.trace("Anonymous logged in to CMS: " + subject);
  59                 return true;
  60         }
  61
  62         @Override
  63         public boolean abort() throws LoginException {
  64                 return true;
  65         }
  66
  67         @Override
  68         public boolean logout() throws LoginException {
  69                 if (log.isTraceEnabled())
  70                         log.trace("Logging out anonymous from CMS... " + subject);
  71                 CmsAuthUtils.cleanUp(subject);
  72                 return true;
  73         }
  74 }